cho 2 hinh hop chu nhat .the tich hop thu nhat lon hon the tich hop thu hai la 2,1 di xi met khoi . the tich hop thu hai bang 4/7 the tich hop thu nhat .tinh the tich moi hop
hai hop co the tich 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi. tinh the tich moi hop
bai 1 . nguoi ta tha 2 hon da co the tich nhu nhau vao mot be nuoc lam nuoc trong be dang them 1,2 dm . biet chieu dai be la 60 cm , chieu rong cua be la 35 cm , hay tinh the tich moi hon da .
bai 2 . hai chiec hop co the tich la 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi . tinh the tich moi hop.
bai 3 . mot hinh lap phuong co the tich 64 dm khoi . tinh dien tich toan phan cua hinh lap phuong do .
bai 1 . nguoi ta tha 2 hon da co the tich nhu nhau vao mot be nuoc lam nuoc trong be dang them 1,2 dm . biet chieu dai be la 60 cm , chieu rong cua be la 35 cm , hay tinh the tich moi hon da .
bai 2 . hai chiec hop co the tich la 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi . tinh the tich moi hop.
bai 3 . mot hinh lap phuong co the tich 64 dm khoi . tinh dien tich toan phan cua hinh lap phuong do .
hai hop co the tich 428 xang ti met khoi .the tich hop thu nhat kem the tich hop thu hai la 78 xang ti met khoi .tinh the tich moi hop
hop thu nhat co the tich nho hon hop thu hai 1,2 dmkhoi. the tich hop thu nhat bang 3/5 the tich hop thu hai. tinh the tich moi hop
Hai hop co the tich 405cm3 .Hop thu hai co the tich lon hon hop thu nhat 45cm3 .Tim ty so phan tram giua the tich hop thu nhat va hop thu hai?
ca hai hop co the tich bang 405 cm3 biet 1/5 the tich cua hop thu hai bang hai 2/9 the tich hop thu nhat tinh the tich cua moi hop
xep hai khoi hinh lap phuong thanh hinh hop chu nhat .Hoi:a] tinh the tich moi hinh hop chu nhat. b] tinh the tich hinh hop chu nhat